USB 3.1 PCI-E 4x Express to USB 3.1 Type C USB-C Port Add on Expansion Card Adapter 10 Gbps PCI-E 4x Express to USB 3.1 Type C USB-C Port Card Adapter 10 Gbps 1 x USB 3.1 10Gbps Type C external port, Chipset : ASM1142 Connect to PC power supply with 4 Pin molex Power Connector Transfer Rate: 10Gbps,5Gbps,480Mbps Fully compatible with USB 3.1,usb 3.0, USB2.0